CVE-2026-63916: In the Linux kernel, the following vulnerability has been resolved: HID: wacom: Fix OOB write in wacom_hid_se

Q: How do I fix CVE-2026-63916?

linux kernel: upgrade to 5.10.259, 5.15.210, 6.1.176, 6.6.143, 6.12.93, 6.18.35, 7.0.12. Exact commands for each OS are on this page.

Q: Is CVE-2026-63916 being exploited?

CVE-2026-63916 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-63916 affect?

CVE-2026-63916 affects linux kernel. Severity is high (CVSS 8.8). In the Linux kernel, the following vulnerability has been resolved: HID: wacom: Fix OOB write in wacom_hid_set_device_mode() wacom_hid_set_device_mode() currently assumes that the HID_DG_INPUTMODE usage is always located in the first fiel

Q: How urgent is CVE-2026-63916?

Priority 43/100. High severity; On your watchlist

This month

HIGH 8.8WATCHLISTUPGRADE

CVE-2026-63916 is a high-severity flaw (CVSS 8.8) affecting linux kernel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In the Linux kernel, the following vulnerability has been resolved: HID: wacom: Fix OOB write in wacom_hid_set_device_mode() wacom_hid_set_device_mode() currently assumes that the HID_DG_INPUTMODE usage is always located in the first field (field[0]) of the feature report. However, a device can specify HID_DG_INPUTMODE in a different field. If HID_DG_INPUTMODE is in a field other than the first one and the first field has a report_count smalle

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-07-19
Last modified	2026-10-30

Publisher (CNA): kernel.org · Vendor: linux

Last updated 2026-10-30 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-19 16:17 UTCPublished CVE record published
2026-10-30 17:44 UTCUpdated Record last modified

linux linux kernel UPGRADE

Affected: >= 3.18 and < 5.10.259 · >= 5.11 and < 5.15.210 · >= 5.16 and < 6.1.176 · >= 6.2 and < 6.6.143 · >= 6.7 and < 6.12.93 · >= 6.13 and < 6.18.35 · >= 6.19 and < 7.0.12 · 7.1 rc1

Fixed in: 5.10.259, 5.15.210, 6.1.176, 6.6.143, 6.12.93, 6.18.35, 7.0.12

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-63916?

linux kernel: upgrade to 5.10.259, 5.15.210, 6.1.176, 6.6.143, 6.12.93, 6.18.35, 7.0.12. Exact commands for each OS are on this page.

Is CVE-2026-63916 being exploited?

CVE-2026-63916 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-63916 affect?

CVE-2026-63916 affects linux kernel. Severity is high (CVSS 8.8). In the Linux kernel, the following vulnerability has been resolved: HID: wacom: Fix OOB write in wacom_hid_set_device_mode() wacom_hid_set_device_mode() currently assumes that the HID_DG_INPUTMODE usage is always located in the first fiel

How urgent is CVE-2026-63916?

Priority 43/100. High severity; On your watchlist

Software pages

Linux kernel vulnerabilities

Related CVEs

CVE-2026-63912 CRITICAL 9.8 UPGRADE In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag l
CVE-2026-63913 HIGH 8.2 UPGRADE In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: tcp: do not force C
CVE-2026-63914 HIGH 7.3 UPGRADE In the Linux kernel, the following vulnerability has been resolved: xfrm: route MIGRATE notifications to call
CVE-2026-63915 HIGH 8.8 UPGRADE In the Linux kernel, the following vulnerability has been resolved: nfc: hci: fix out-of-bounds read in HCP h
CVE-2026-63917 HIGH 8.8 UPGRADE In the Linux kernel, the following vulnerability has been resolved: ip6: vti: Use ip6_tnl.net in vti6_changel

References

← Back to latest CVEs